Pin cyclonedx dependency version (duosecurity#261)

5.2.0 version bump (duosecurity#239)

Add six to dependencies for publish (duosecurity#234)

5.0.1 version bump (duosecurity#221)

Merge pull request duosecurity#217 from yizshi/master

remove non-support python version reference in readme

Version bump for 4.7.1 (duosecurity#209)

Merge pull request duosecurity#204 from yizshi/master

duo_client_python 4.7.0 version bump

Merge pull request duosecurity#198 from duosecurity/AaronAtDuo-4-6-1-…

…version

Version 4.6.1 bump for emergency release fix

Merge pull request duosecurity#195 from duosecurity/4_6_version_bump

Version bump for 4.6.0

Merge pull request duosecurity#182 from nstojcevich/master

Version bump